Monthly Archives: December 2010

Webinar: Revolution R is 100% R and More

December 7, 2010
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I'll be hosting a webinar tomorrow (Wednesday) aimed at R users who want to know more about how Revolution R Enterprise extends open source R for big data, Web services, multi-core processing, debugging and more. For R users at schools and universities, I'll also explain how you can download and use Revolution R Enterprise free of charge. The full...

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Sequential Line Plots in R

December 7, 2010
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Sequential Line Plots in R

I was trying to create some sequential plots today in R to analyse some MCMC simulations. I found the par(ask=TRUE) command very useful for looking at iterations of individual parameter values. Setting the ask graphical parameter to TRUE (before a … Continue reading →

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Webinar on Revolution R Enterprise

December 7, 2010
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R evangelist David Smith, marketing VP at Revolution R, will be giving a webinar showing off some of the finer features of Revolution R Enterprise - an integrated development environment (IDE) for R that has an enhanced script editor with syntax highli...

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Statistique de l’assurance STT6705V, partie 12 bis

December 7, 2010
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Statistique de l’assurance STT6705V, partie 12 bis

In the previous post (here) discussing forecasts of actuarial quantities, I did not mention much how to forecast the temporal component in the Lee-Carter model. Actually, many things can be done. Consider here some exponential smoothing techniques ...

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Le Monde puzzle [49]

December 7, 2010
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Le Monde puzzle [49]

Here is a quick-and-dirty solution to Le Monde puzzle posted a few days ago: the R code counts the number of winning tickets between 1 and N, and stops when there is a proportion of 10% of winning tickets. #winning ticket win=function(n){ #decimal digits decomposition x=rep(0,4) x=n%%10 m=(n-x)/10 x=m%%10 m=(m-x)/10 x=m%%10 m=(m-x)/10 x=m%%10 tic=0 for

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highlight 0.2-5

December 7, 2010
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I pushed highlight 0.2-5 on CRAN. This release improves the latex renderer and the sweave driver so that multiple lines character strings are properly rendered.This example vignette shows it:\documentclass{report} \begin{document}<<echo=FALSE,results=hide>>= old.op <- options( prompt = " ", continue = " " ) @<<>>= require( inline ) require( Rcpp ) convolve <- cxxfunction( signature( a = "numeric", b...

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R 2.12.1 scheduled for December 16

December 6, 2010
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The next update to R will be a patch release: R 2.12.1 will be released on December 16, as announced today by the R Core Team. As is typical for a patch release, this version will include some minor bug fixes plus a few new features (from the current build's NEWS file): The DVI/PDF reference manual now includes the...

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R 2.12.1 scheduled for December 16

December 6, 2010
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The next update to R will be a patch release: R 2.12.1 will be released on December 16, as announced today by the R Core Team. As is typical for a patch release, this version will include some minor bug fixes plus a few new features (from the current build's NEWS file): The DVI/PDF reference manual now includes the...

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Jeromy Anglim on Reproducible Research and R

December 6, 2010
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Jeromy Anglim, fellow social scientist and R aficionado from across the globe, gave a great talk to the Melbourne R Users Group last week on the joys of creating reproducible results. A subject near and dear to me, but not one that is given enough attention in research training. Jeromy discusses tools for generating reproducible

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What my R code looks and feels like (Vanilla)

December 6, 2010
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Geoff Robinson discusses how to write simple and reusable R code. He provides several examples with code.

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